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  <title>Uninstalling ProtectAgent (Applicable to the Linux OS/AIX OS)</title>
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  <a name="EN-US_TOPIC_0000001792549964"></a><a name="EN-US_TOPIC_0000001792549964"></a>
  <h1 class="topictitle1">Uninstalling ProtectAgent (Applicable to the Linux OS/AIX OS)</h1>
  <div>
   <p>After ProtectAgent is uninstalled, the <span>product</span> does not back up or restore resources.</p>
   <div class="section">
    <h4 class="sectiontitle">Context</h4>
    <p>The following operations use the ProtectAgent installation directory <strong>/opt</strong> as an example.</p>
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   <div class="section" id="EN-US_TOPIC_0000001792549964__section95618329544">
    <h4 class="sectiontitle">Prerequisites</h4>
    <p id="EN-US_TOPIC_0000001792549964__p11178191432914">If you have set aliases for <strong id="EN-US_TOPIC_0000001792549964__b1217817142295">rm</strong>, <strong id="EN-US_TOPIC_0000001792549964__b1479094817301">cp</strong>, <strong id="EN-US_TOPIC_0000001792549964__b1646412133117">mv</strong>, and other commands that need to be input in interactive mode on the agent host (for example, alias setting <strong id="EN-US_TOPIC_0000001792549964__b2900716123516">mv=mv -i</strong>, indicating that the <strong id="EN-US_TOPIC_0000001792549964__b5246558114412">mv</strong> command is executed with the <strong id="EN-US_TOPIC_0000001792549964__b92462058164413">-i</strong> parameter by default), cancel the alias setting first. Otherwise, the uninstallation will fail.</p>
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    <h4 class="sectiontitle">Procedure</h4>
    <ol>
     <li><span>Use PuTTY to log in to the host where ProtectAgent needs to be uninstalled as a system administrator.</span></li>
     <li><span>Run the following command to go to the ProtectAgent installation directory:</span><p></p><pre class="screen">cd <em>/opt</em>/DataBackup/ProtectClient</pre> <p></p></li>
     <li><span>Run the following command to uninstall ProtectAgent:</span><p></p><pre class="screen">sh uninstall.sh</pre> <p>If information similar to the following is displayed, enter <strong>y</strong>.</p> <pre class="screen">Are you sure you want to uninstall DataBackup ProtectAgent? y/n:</pre> <p>If message "DataBackup ProtectAgent has been uninstalled successfully." is displayed, the uninstallation is successful.</p> <p></p></li>
    </ol>
    <ol start="4">
     <li><span>If ProtectAgent needs to be installed on the host subsequently, delete the <span class="uicontrol"><b>/etc/HostSN/HostSN</b></span> file from the host. Otherwise, skip this step.</span><p></p><pre class="screen">rm -rf /etc/HostSN/HostSN</pre> <p></p></li>
    </ol>
    <ol start="5">
     <li id="EN-US_TOPIC_0000001792549964__en-us_topic_0000001166835234_li1849451112587"><a name="EN-US_TOPIC_0000001792549964__en-us_topic_0000001166835234_li1849451112587"></a><a name="en-us_topic_0000001166835234_li1849451112587"></a><span>If ProtectAgent needs to be installed on the host subsequently and the OS has been reinstalled on the host or the <span class="filepath"><b>/etc/HostSN/HostSN</b></span> file has been deleted from the host before ProtectAgent is installed, perform the following operations to delete the host on the management page. Otherwise, skip this step.</span><p></p>
      <ol type="a">
       <li>Choose <span class="uicontrol" id="EN-US_TOPIC_0000001792549964__en-us_topic_0000001839142377_uicontrol08941439165212"><b><span id="EN-US_TOPIC_0000001792549964__en-us_topic_0000001839142377_text22651956143811"><strong>Protection</strong></span> &gt; Clients &gt; Clients</b></span>.</li>
       <li>Search for the host from which ProtectAgent has been uninstalled based on the IP address and choose <span class="uicontrol"><b><span><strong>More</strong></span> &gt; <span><strong>Delete Host</strong></span></b></span>.<p>Before deleting the host, ensure that the host is not associated with any SLA.</p></li>
      </ol> <p></p></li>
    </ol>
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